Residents live in their own homes but in communities. They are accompanied by a medical and a medico-social team and benefit of healthcare, support and activities in the establishment.

There are many issues surrounding support for residents.

To evaluate behaviours and to propose innovative solutions to improve residents' well-being or teams' that accompany them, a scientific observation of life rhythms (daily energy expenditure, observation of circadian rhythms) has been improved thanks to new technologies.